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package org.glassfish.jersey.test;

import javax.ws.rs.client.Client;

import org.glassfish.jersey.test.spi.TestContainer;
import org.glassfish.jersey.test.spi.TestNgStrategy;

/**
 * TestNG strategy that creates separate test container / client per test method.
 *
 * @author Michal Gajdos
 */
public class ContainerPerMethodTestNgStrategy implements TestNgStrategy {

    private final ThreadLocal<TestContainer> testContainerLocal = new ThreadLocal<>();
    private final ThreadLocal<Client> clientLocal = new ThreadLocal<>();

    @Override
    public TestContainer testContainer() {
        return testContainerLocal.get();
    }

    @Override
    public TestContainer testContainer(final TestContainer testContainer) {
        final TestContainer old = testContainerLocal.get();

        if (testContainer == null) {
            testContainerLocal.remove();
        } else {
            testContainerLocal.set(testContainer);
        }

        return old;
    }

    @Override
    public Client client() {
        return clientLocal.get();
    }

    @Override
    public Client client(final Client client) {
        final Client old = clientLocal.get();

        if (client == null) {
            clientLocal.remove();
        } else  {
            clientLocal.set(client);
        }

        return old;
    }
}
